Monel alloy, also known as nickel alloy, is an alloy formed by adding copper, iron, manganese and other elements with nickel as the matrix. Monel alloy has good corrosion resistance, high strength, high temperature resistance, ** high, and the surface is silvery-white.
One person and one sentence cheer for the graduate school entrance examination Monel alloy American brand numbers are: Monel400, Monel, Monel403, Monel404, Monelr-405, Monel406, Monel411, Monellk500, Monelmonel, etc. In the UNS system in the United States, there are 5 grades of deformed Monel alloys: solution-strengthened N04400 (Monel 400), N04404 (Monel 404) and N04405 (Monel R-405) and precipitated N05500 (Monel K500) and N05502 hardened (Monel 502). Among these grades, Monel400 and Monel500 are the most commonly used. Let's focus on these two grades. 
Monel K500 is a high-strength, highly corrosion-resistant nickel-copper alloy. It is made up of about 65 nickel, 33 of copper, and 2 of aluminum, in addition to some other elements such as iron, manganese, titanium, and silicon. The maximum operating temperature of the Monel K500 is below 1100 (2000). The chemical composition of the Monel K500 alloy is as follows: Carbon (C): no more than 025%, Nickel (Ni): 63-67%, Aluminum (Al): not more than 2-4%, Titanium (Ti): not more than 025-1.00%, iron (Fe): no more than 20%, manganese (mn): no more than 15%, silicon (Si): no more than 100%, copper (cu): margin, sulfur (s): no more than 001%, magnesium (mg): 008-0.12%。
Monel 400 alloy is a solution-strengthened alloy composed mainly of nickel and copper, with small amounts of iron, manganese, silicon and other elements. The alloy has excellent corrosion resistance and electrical conductivity, and can be used for a long time in a variety of corrosive environments. In addition, Monel 400 alloy has good processing and welding properties, making it easy to machine into parts of various shapes and sizes.